CVE-2023-3582CWE-863

Lack of channel membership check when linking a board to a channel

Medium · published July 17, 2023

CVSS v3.1
4.3
EPSS
0%
Percentile
27.7
In the wild
Unconfirmed
What it is

Mattermost fails to verify channel membership when linking a board to a channel allowing a low-privileged authenticated user to link a Board to a private channel they don't have access to,

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00353 · 27.7th percentile
Weakness
CWE-863 · Incorrect Authorization
Published
2023-07-17T15:21Z
EPSS history
Timeline
  • 17 JUL 15:21Z
    Lack of channel membership check when linking a board to a channel
    cvelistv5